Per Mertesacker is entrusted with the job of collecting fines from Arsenal players in breach of club discipline but the German may find himself going cap in hand to manager Arsene Wenger for his place in the team.

Tiago Ilori - Sporting Lisbon to Liverpool. Fee: £7m London-born Tiago Ilori is a highly-rated young centre-back who has represented Portugal at youth level. The 20 year-old says former Liverpool star Jamie Carragher is a role model and played at Anfield for Sporting's youth side in the NextGen series two years ago.